Updated to Android toolchain to ndk-r11.

scripts/toolchain.lua

@@ -751,10 +751,11 @@ function toolchain(_buildDir, _libDir)
 		objdir (path.join(_buildDir, "android-arm/obj"))
 		libdirs {
 			path.join(_libDir, "lib/android-arm"),
-			"$(ANDROID_NDK_ROOT)/sources/cxx-stl/gnu-libstdc++/4.8/libs/armeabi-v7a",
+			"$(ANDROID_NDK_ROOT)/sources/cxx-stl/gnu-libstdc++/4.9/libs/armeabi-v7a",
 		}
 		includedirs {
-			"$(ANDROID_NDK_ROOT)/sources/cxx-stl/gnu-libstdc++/4.8/libs/armeabi-v7a/include",
+			"$(ANDROID_NDK_ROOT)/sources/cxx-stl/gnu-libstdc++/4.9/libs/armeabi-v7a/include",
+			"$(ANDROID_NDK_ROOT)/sources/cxx-stl/gnu-libstdc++/4.9/include",
 		}
 		buildoptions {
 			"--sysroot=" .. path.join("$(ANDROID_NDK_ROOT)/platforms", androidPlatform, "arch-arm"),